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Sodium bicarbonate is often used as an antacid to neutralize excess hydrochloric acid in an upset stomach. What mass of hydrochloric acid (in grams) can be neutralized by 2.3g of sodium bicarbonate?
An unknown compound contains only C, H, and O. Combustion of 3.60 g of this compound produced 8.18 g of CO2 and 3.35 g of H2O.
Consider a steel tank whose volume is 65.0 and which contains gas at a pressure of 16500 at 21.What mass of does the tank contain?
A flask contains 0.120 mol of liquid bromine, rm Br_2. Determine the number of bromine molecules present in the flask.
corrosion technologist pipetted a 100.00 mL hard water sample and titrated it with 37.64 mL of 0.01 M EDTA solution for a total hardness endpoint
How much energy (in calories) is needed to heat 17cm^3 of fat from room temperature (25 C) to its melting point (35 C)?
A solution containing Pt4+ is electrolyzed with a current of 5.80 A. How long will it take to plate out 79% of the platinum in 0.50 L of a 0.010 M solution of Pt4+.
The electron is passed down an electron-transport chain, at the end of which NADP+ is reduced. The reduction potentials of P700+, A and NADP+ at pH7 and 25 oC are 0.490V, -0.900V, and -0.350V respectively.
How many mL of .360M HNO3 are needed to neutralize a 22.5mL sample of .240M KOH.
a running track measures 1056 ft per lap. to run 15.0 km how many laps should you run? How do you break the equation down into a solution map?
What is the concentraion of toulene in this sample? Does this exceed the standard? (maximum contaminant level is 1.0 mg/L 6) How much calcium nitrate has to be added to 1000L of solution to provide 130ppm Ca^2+ if the water supply contains 40ppm Ca..
What mass of CaCO3 will produce 8.0 L of CO2, measured at standard temperature and pressure conditions? Molar mass of CaCO3 = 100. g per mole.
50.50 mL of 0.116 M HF is titrated with 0.1200 M NaOH. How many mL of the base are required to reach the equivalence point? (Ka for HF is 6.8 x 10-4)
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